Is Ansible free

Is Ansible free
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Written by Nilima PaulJanuary 14, 2022
9 min read
Ethical-Hacking
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Techiio-author
Nilima Paul

Technology Security Analyst

We will know in this article, what're the Is Ansible free.

Introduction to is Ansible free?

Indeed, Ansible is a free and open-source device that is utilized for the previously mentioned purposes. Since Ansible takes on the standard GNU (General Public License), it tends to be utilized for business purposes just as long as one regards the strategies of GNU.

  1. The CLI-based utilization is free unbounded.
  2. Ansible Tower presents free for dealing with to 10 hubs. Anything over that may require a paid permit. Ansible Tower furnishes a slick graphical UI with a dashboard utilizing which one can bunch the hosts, factors, occupations, and so forth
  3. Ansible AWX is free i.e an open-source upstream venture for Ansible Tower.

What is Ansible?

Ansible is a straightforward present-day IT robotization motor that mechanizes the design of the board of thousands of servers, cloud provisioning, application arrangement, and so on Beginning from introducing a bundle on a server to restarting assistance, be it any sort of neighborhood or remote undertaking. Ansible will do it for you consistently.

Why Ansible?

A solitary slam content would be incredible if you need to oversee and arrange a solitary framework, you are the single client and yours is a solitary machine. Yet, when you increase across more number of PCs, different assignments, more clients, and more administrators, you will find that the slam scripts are adequately not and productive. This is precisely where Ansible comes into the image. Ansible can be treated as a sustained slam or shell prearranging that can design your immense framework geography in one go.

Additionally, Ansible utilizations an exceptionally basic language called (YAML Ain't Markup Language) as Ansible playbooks that permit you to portray your robotization task in a manner that is comparable to casual language.

Components of Ansible

  • Master: This is the main machine that takes care of the configuration of machines with Ansible.
  • Inventory: An inventory is a file that describes the nodes that are accessible by Ansible. The nodes can be grouped in the inventory file and named accordingly.

Ex: A typical inventory file would look like this –

[webservers] server1
[application] server1
server2

The server names can be their DNS or IP Addresses.

Playbook: YAML files that describe the automation tasks to be done by Ansible.

A typical playbook would look like this –

---
hosts: localhost
- name: install python
yum: name=python state=installed

  • Task: This is the block that describes the action to be taken by Ansible in statements. Ex: Install httpd.
  • Module: These are the executable plugins that do the task for us. There are many inbuilt modules which Ansible provides us. We can write our own custom-modules too.
  • Role: An Ansible playbook can get really huge in size over time and maintaining it would be really tough. Hence with roles, one can group the tasks into subsets and manage the content efficiently. These roles (groups of tasks) can be reused accordingly.
  • Play: Execution of a playbook is called a play.
  • Facts: These are the global variables that will be referred across Ansible playbooks.
  • Handlers: Used to invoke service status changes, like restarting or stopping a service or install or uninstall a package.

Advantages of Ansible Free

Following are the advantages mentioned below:

  1. Ansible manages the machines in an agentless You do not have to install any Ansible agents/service software on the client machine.
  2. Both push and pull of files/commands/codes are supported in Ansible.
  3. Ansible is a security-focused tool. And it uses OpenSSH as the secure transport protocol.
  4. Ansible scripts (popularly called as playbooks) are written in YAML and hence they are very easy to read.
  5. Ansible is The core idea here is that you only do things if they are needed and things that are repeated without side effects.
  6. If needed, then Ansible can easily connect with Kerberos, LDAP (Lightweight Directory Access Protocol) and other centralized authentication management systems.
  7. An advantage of higher order significance is that one need not be an expert in bash or shell scripting. Ansible has it handled by itself. So, the working becomes quite easy and straight forward with Ansible.
  8. One doesn’t really need to be a root user to run the Ansible playbook tasks on the nodes. It can acquire root privileges.

Why do we care about Ansible?

  • Ansible is forming the core of DevOps tools.
  • Ansible is minimal and simple to learn and to use as well. Michael DeHaan, the creator of Ansible said, “It is a kind of a tool you don’t use for 6 months and come back and you still remember.”
  • Ansible follows a parallel task execution mechanism which makes it faster & better.

Ansible vs other Automation tools

Apart from Ansible, there are a lot of other configuration & management tools like Chef, Puppet, Salt, etc.

  • Ansible uses a better option of a source control system for its source of truth, while other tools like Chef keep their own servers as a source of truth. By source of truth, I mean, the authoritative configuration.
  • Ansible focuses more on orchestration than management.
  • Unlike other tools, Ansible makes use of both dynamic and static inventories of host systems.

Starting with Ansible

  • You can get started by referring the Ansible documentation here.
  • You can find all the community playbooks from Ansible Galaxy.
  • You can find some good videos here.

Conclusion

As they say it, “The best things in this world are for free”. Ansible, the best free and open source automation engine is something one must embrace whether one wants to automate his configuration & management or DevOps tasks.

Ethical Hacking
Is ansible
Cyber Security
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Nilima Paul
Technology Security Analyst
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